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authorTao Zhou <tao.zhou1@amd.com>2024-05-17 18:04:26 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-08 07:56:31 +0200
commitfb8e15ba808d47f7767d845d28dcfb5ebe9dde06 (patch)
tree72c8d149a1128447aea105cc4cf3c5d07bd861df /drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c
parent179cc680f05211992e808903511f7f2ab3621c19 (diff)
drm/amdgpu: update type of buf size to u32 for eeprom functions
[ Upstream commit 2aadb520bfacec12527effce3566f8df55e5d08e ] Avoid overflow issue. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c
index e71768661ca8d..09a34c7258e22 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eeprom.c
@@ -179,7 +179,7 @@ static int __amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
* Returns the number of bytes read/written; -errno on error.
*/
static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
- u8 *eeprom_buf, u16 buf_size, bool read)
+ u8 *eeprom_buf, u32 buf_size, bool read)
{
const struct i2c_adapter_quirks *quirks = i2c_adap->quirks;
u16 limit;
@@ -225,7 +225,7 @@ static int amdgpu_eeprom_xfer(struct i2c_adapter *i2c_adap, u32 eeprom_addr,
int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf,
- u16 bytes)
+ u32 bytes)
{
return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes,
true);
@@ -233,7 +233,7 @@ int amdgpu_eeprom_read(struct i2c_adapter *i2c_adap,
int amdgpu_eeprom_write(struct i2c_adapter *i2c_adap,
u32 eeprom_addr, u8 *eeprom_buf,
- u16 bytes)
+ u32 bytes)
{
return amdgpu_eeprom_xfer(i2c_adap, eeprom_addr, eeprom_buf, bytes,
false);